The influence of aluminum alkyls on the polymerization of ethylene with SiO2/MgCl2-supported TiCl4 catalysts
β Scribed by David T. Lynch; M. Olukayode Jejelowo; Sieghard E. Wanke
- Book ID
- 112056810
- Publisher
- John Wiley and Sons
- Year
- 1991
- Tongue
- English
- Weight
- 837 KB
- Volume
- 69
- Category
- Article
- ISSN
- 0008-4034
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## Abstract MgCl~2~/TiCl~4~/SiO~2~ catalysts were prepared by treating TiCl~4~/SiO~2~ with MgCl~2~ Β· 2THF (THF: tetrahydrofuran) at different Mg/Ti ratios. The catalysts were analysed by Xβray, electron spin resonance (ESR), atomic absorption spectrometry to determine the crystal structure, oxidati
The kinetics of ethylene polymerization with TiCl,/MgCl,/SiO, has been investigated in the range of temperatures between 40 and 90Β°C and in the range of ethylene pressures between 4 and 12.4 kg/cm2. The role of MgCI, was discussed from the dependence of the Mg/Ti ratio on the catalytic activity. The